CN211927747U

CN211927747U - Concrete freeze thawing test equipment

Info

Publication number: CN211927747U
Application number: CN202020498092.1U
Authority: CN
Inventors: 李雯
Original assignee: Shangqiu Yudong Highway Prospecting Design Co ltd
Current assignee: Shangqiu Yudong Highway Prospecting Design Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-11-13
Anticipated expiration: 2030-04-08

Abstract

The utility model relates to a concrete freeze thawing test equipment, the test box comprises a test box body, the experimental chamber has been seted up on the test box upper surface, sliding connection has the rack on the surface of experimental chamber side, is provided with hoisting device on the test box lateral surface, hoisting device includes pneumatic cylinder and swinging boom, the vertical setting of pneumatic cylinder and pneumatic cylinder body are fixed on the test box lateral surface, the swinging boom is L shape structure, the swinging boom rotates to be connected on the up end of pneumatic cylinder piston rod, sliding connection has the pull rod on the swinging boom, the mating holes has been seted up on the rack, pull rod sliding connection is in the mating holes. The utility model discloses a slide in the experiment intracavity and set up the rack, set up hoisting device on the proof box outer wall, through making pull rod sliding connection in the mating hole, make hoisting device can connect on the rack and promote the rack, have and can take out and put into the effect of test piece incasement from the test piece case with a large amount of concrete test pieces are whole.

Description

Concrete freeze thawing test equipment

Technical Field

The utility model belongs to the technical field of a concrete freeze thawing test appearance's technique and specifically relates to a concrete freeze thawing test equipment is related to.

Background

In order to detect the frost resistance of the concrete test piece, the temperature change of the natural environment needs to be simulated, and the test of the concrete test piece is called as a freeze-thaw test. The freeze-thaw test consists of multiple freeze-thaw cycles. The freeze-thaw period is divided into a plurality of types according to different test requirements, and the typical freeze-thaw period is controlled to be 12 hours, and after the freeze-thaw period is finished, the concrete test piece needs to be taken out and the weight change and the mechanical property change of the concrete test piece are recorded.

Patent document with publication number CN209264479U discloses a concrete freeze thawing test device convenient to test, including test piece case and test piece box, the upper surface of test piece case rotates and is connected with the case lid, and the symmetric welding has the pivot on the both sides face of case lid, and the surface of pivot is rotated the cover and is equipped with movable commentaries on classics board, and the one end rotation of activity commentaries on classics board sets up the surface at the pivot, and the test piece box setting is in the test piece case. Through welding the pivot on the case lid, make the one end setting of keeping away from the case lid in the pivot on the activity commentaries on classics board, make the pivot can support the case lid, prevent that the case lid from falling and pounding the staff.

However, in the above structure, the user needs to take out the plurality of test piece boxes in sequence after the test is finished, and when the concrete test piece has a large size and a large weight, the user is difficult to take out the test piece boxes from the test piece box, which is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete freeze thawing test equipment, it has can be with a large amount of concrete test pieces all take out and put into the effect of test piece incasement from the test piece case.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a concrete freeze thawing test equipment, includes the proof box, the experimental chamber has been seted up on the proof box upper surface, sliding connection has the rack on the experimental chamber internal side surface, be provided with hoisting device on the proof box lateral surface, hoisting device includes pneumatic cylinder and swinging boom, the vertical setting of pneumatic cylinder and pneumatic cylinder body fix on the proof box lateral surface, the swinging boom is L shape structure, the swinging boom rotates to be connected on the up end of pneumatic cylinder piston rod, sliding connection has the pull rod on the swinging boom, the mating holes has been seted up on the rack, pull rod sliding connection is in the mating holes.

Through adopting the above technical scheme, through seting up the experiment chamber on the proof box, at experiment intracavity sliding connection rack, the user of service can place the test piece and carry out freeze thawing test on the rack, through set up hoisting device on the proof box outer wall, sliding connection pull rod on the swinging boom, the user of service is through with pull rod sliding connection in the cooperation hole, can make hoisting device connect on the rack, make hoisting device drive the rack and rise and descend, have and can take out and put into the effect of test piece incasement with a large amount of concrete test pieces are whole from the test piece case.

The utility model discloses further set up to: the test chamber is provided with a control console, the control console is arranged on the upper surface of the test chamber, the test chamber is provided with a heat insulation cover, and one side of the heat insulation cover, which is close to the control console, is hinged on the upper surface of the test chamber.

Through adopting above-mentioned technical scheme, through setting up the control cabinet on the proof box, make the control cabinet can control the temperature promotion and the decline of experiment intracavity, accomplish the freeze thawing test of test piece, through set up thermal-insulated lid on the experiment chamber, the user of service can play isolated experiment chamber through closed thermal-insulated lid, reduces experiment chamber and external heat exchange.

The utility model discloses further set up to: the rack includes two carriages and a plurality of sliding plates, and each vertical spout one of having seted up on two relative lateral walls in the experiment intracavity, two spout one equals with the distance of control cabinet, and the vertical setting of carriage is provided with the slider on the carriage near the experiment intracavity wall on the surface, and slider sliding connection is in spout one, and the sliding plate level sets up and follows vertical direction sliding connection in proper order on two carriages.

Through adopting above-mentioned technical scheme, through vertically seting up spout one in the laboratory cavity, sliding connection slider in spout one makes the carriage slide along vertical direction, through sliding connection sliding plate on two carriages, makes the sliding plate take out from the carriage, makes things convenient for the user of service to place the test piece and takes out the test piece.

The utility model discloses further set up to: and a plurality of second sliding grooves are sequentially and horizontally formed in the surface, far away from the sliding block, of the sliding frame in the vertical direction, two side edges of the sliding plate are respectively connected in the second sliding grooves in a sliding mode, and a plurality of test piece boxes are arranged on the upper surface of the sliding plate.

Through adopting above-mentioned technical scheme, through set up a plurality of spouts two on the carriage, with sliding plate sliding connection in spout two, the user of service reaches the effect of the interval of adjustment sliding plate through with sliding plate sliding connection in the spout two of co-altitude department, makes things convenient for the user of service to set up not unidimensional test piece box on the sliding plate, tests not unidimensional test piece.

The utility model discloses further set up to: the matching hole is horizontally arranged at the center of the upper end of the side surface of the sliding frame, and the length direction of the matching hole is vertical to the side surface of the sliding plate.

By adopting the technical scheme, the matching hole is formed in the center of the upper end of the side face of the sliding frame, so that the hydraulic rod is balanced in stress when the sliding frame is lifted, stress concentration on the hydraulic rod is reduced, and the service life of the hydraulic rod is prolonged.

The utility model discloses further set up to: the swinging boom includes horizontal part and vertical portion, and the horizontal part level sets up and the lower surface rotates to be connected on pneumatic cylinder piston rod up end, and vertical portion is vertical to be set up, and vertical portion upper end is connected on horizontal part one end, and the pull rod level sets up and sliding connection keeps away from the one end of horizontal part in vertical portion, and the pull rod is perpendicular with carriage side surface.

Through adopting above-mentioned technical scheme, through seting up horizontal part and vertical portion on the swinging boom, make the horizontal part lower surface rotate to be connected in the piston rod upper end of pneumatic cylinder, play and make the swinging boom can pivoted effect, set up the pull rod through the vertical portion upper level, make the swinging boom can be connected with the rack through the pull rod, reach the effect that makes the pneumatic cylinder promote and put down the rack.

The utility model discloses further set up to: and a round table is arranged at one end of the pull rod, which is far away from the sliding frame.

By adopting the technical scheme, the round table is arranged on the pull rod, so that a user can conveniently pull the round table.

The utility model discloses further set up to: the pull rod is sleeved with a spring, one end of the spring is fixed on the circular truncated cone, and the other end of the spring is fixed on the side surface, far away from the hydraulic cylinder, of the vertical portion.

Through adopting above-mentioned technical scheme, establish the spring through the cover on the pull rod, make spring one end fix on the round platform, the other end is fixed in vertical portion, makes the spring through the pulling round platform, reaches the effect that makes the pull rod push up in the mating holes all the time, prevents that the pneumatic cylinder from promoting the in-process of rack, and the pull rod is deviate from the mating holes.

To sum up, the utility model discloses a beneficial technological effect does:

1. the rack is connected in the experiment cavity in a sliding manner, the lifting device is arranged on the outer wall of the experiment box, the pull rod is connected on the rotating arm in a sliding manner, so that the pull rod can be connected in the matching hole in a sliding manner, the effect of connecting the lifting device with the rack is achieved, the aim of lifting the rack is achieved by driving the rotating arm to lift through the hydraulic cylinder, and the effect of taking out and putting a large number of concrete samples from and into the sample box is achieved;

2. the sliding plate is connected to the sliding groove II in a sliding mode through the sliding frame II, so that the sliding plate can be pulled out of the sliding frame, a user can process a plurality of test pieces in batches through pulling out and inserting the sliding frame, the sliding plate is connected to the sliding groove II with different heights in a sliding mode, the effect of adjusting the distance between the sliding plates is achieved, and the user can place the test pieces with different sizes on the sliding plate conveniently and perform tests;

3. through rotating on the proof box and connecting thermal-insulated lid, can reduce experimental chamber and external heat exchange through making thermal-insulated lid closure, the user can make the rack slide in the experimental chamber after the complete closed thermal-insulated lid through taking the pull rod out and rotating the swinging boom from the mating holes, prevent that the swinging boom from hindering thermal-insulated lid closed.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

fig. 3 is a schematic sectional structure diagram of the present invention.

In the figure, 1, a test piece box; 11. a heat insulation cover; 12. a first sliding chute; 13. a console; 14. a laboratory cavity; 2. placing a rack; 21. a carriage; 211. a mating hole; 212. a slider; 213. a second chute; 22. a sliding plate; 23. a test piece box; 3. a lifting device; 31. a hydraulic cylinder; 32. a rotating arm; 321. a horizontal portion; 322. a vertical portion; 33. a pull rod; 331. a circular truncated cone; 332. a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a concrete freeze thawing test equipment, including test piece case 1. The level of test piece case 1 sets up subaerial, and test piece case 1 includes control cabinet 13 and experiment chamber 14, and control cabinet 13 sets up on 1 upper surface of test piece case for the temperature variation in the control experiment chamber 14, the vertical seting up of experiment chamber 14 is on 1 upper surface of test piece case, is used for placing the test piece and carries out freeze thawing test. Be provided with thermal-insulated lid 11 on experimental cavity 14, thermal-insulated lid 11 covers on experimental cavity 14, and thermal-insulated lid 11 articulates on test piece case 1 upper surface near one side of control cabinet 13, and the user can open and close thermal-insulated lid 11 through rotating thermal-insulated lid 11, conveniently places and takes out the test piece.

Referring to fig. 1 and 3, a placing frame 2 is slidably connected in the experiment chamber 14, and the placing frame 2 comprises two sliding frames 21 and a plurality of sliding plates 22. Carriage 21 is vertical to be set up on laboratory cave 14 inner wall, combines fig. 2, is provided with slider 212 on the carriage 21 near laboratory cave 14 inner wall on the surface, respectively has vertically seted up spout one 12 on two relative lateral walls in laboratory cave 14, and the distance of two spout one 12 equals with control cabinet 13, and slider 212 sliding connection makes two carriages 21 can slide along vertical direction on laboratory cave 14 lateral wall in spout one 12. The sliding frame 21 is horizontally provided with a plurality of second sliding grooves 213 on the surface far away from the sliding block 212, the second sliding grooves 213 are sequentially arranged along the vertical direction, and the sliding plate 22 is horizontally arranged and is connected in the second sliding grooves 213 of the two sliding frames 21 in a sliding manner. The two sliding frames 21 hold both sides of the sliding plate 22, thereby achieving the effect of horizontally fixing the sliding plate 22 in the laboratory chamber 14. The user can take out and put a large number of test pieces on the sliding frame 21 at the same time by pulling out the sliding plate 22 from the sliding frame 21, thereby improving the efficiency of the user for testing a large number of test pieces. The slide plate 22 is provided on its upper surface with a plurality of specimen cassettes 23 for placing specimens. The user can insert the sliding plate 22 into the second sliding grooves 213 with different heights to achieve the effect of adjusting the distance between the sliding plates 22, and further can arrange the test piece boxes 23 with different sizes on the upper surface of the sliding plate 22 to perform freeze thawing tests on test pieces with different sizes.

Referring to fig. 2 and 3, a lifting device 3 is provided on each of two opposite outer walls of the specimen box 1, and the lifting device 3 includes a hydraulic cylinder 31 and a rotary arm 32. The hydraulic cylinder 31 is vertically arranged on the outer side wall, close to the sliding frame 21, of the test piece box 1, the cylinder body of the hydraulic cylinder 31 is fixed on the test piece box 1, the piston rod of the hydraulic cylinder 31 is located at the upper end of the cylinder body, and the end part of the piston rod of the hydraulic cylinder 31 is connected with the rotating arm 32. The rotating arm 32 has an L-shaped structure, and the rotating arm 32 includes a horizontal portion 321 and a vertical portion 322, and the horizontal portion 321 and the vertical portion 322 are perpendicular to each other. The horizontal portion 321 is horizontally disposed, a lower surface of the horizontal portion 321 is pivotally connected to a rod end portion of the hydraulic cylinder 31, and a user can pivot the pivot arm 32 on the hydraulic cylinder 31 by pivoting the horizontal portion 321. The vertical portion 322 is vertically disposed, and an upper end of the vertical portion 322 is connected to one end of the horizontal portion 321. A pull rod 33 is slidably connected to an end of the vertical portion 322 remote from the horizontal portion 321, and the pull rod 33 is horizontally disposed and perpendicular to a side surface of the slide frame 21. The cooperation hole 211 has been seted up to carriage 21 side surface upper level, and cooperation hole 211 sets up in carriage 21 upper end center department, and the length direction of cooperation hole 211 is perpendicular with sliding plate 22 side surface, and the user can be through rotating swinging boom 32 and slip pull rod 33, makes pull rod 33 insert in the cooperation hole 211, plays the effect that makes hoisting device 3 connect on rack 2. The user of service can make swinging boom 32 remove along vertical direction through the flexible of control pneumatic cylinder 31, and then makes pull rod 33 drive rack 2 and remove along vertical direction, plays the effect of lifting and falling rack 2. The round table 331 is arranged at one end, away from the sliding frame 21, of the pull rod 33, a user can pull the pull rod 33 conveniently, a spring 332 is sleeved on the pull rod 33, one end of the spring 332 is fixed to the round table 331, the other end of the spring 332 is fixed to the side surface, away from the hydraulic cylinder 31, of the vertical portion 322, the spring 332 can pull the round table 331 to move towards the direction close to the hydraulic cylinder 31, the pull rod 33 is enabled to be always propped against the matching hole 211, and the pull rod 33 is prevented from being separated from the matching hole 211 in the process. When the user needs to carry out the freeze thawing test, the user puts into experimental cavity 14 with rack 2 through hoisting device 3 earlier, then pulls pull rod 33 and makes hoisting device 3 break away from rack 2, and the piston rod of lifting hydraulic cylinder 31 rotates swinging boom 32 and makes vertical portion 322 shift out from experimental cavity 14, and the user can close insulating cover 11 this moment, carries out the freeze thawing test to the test piece, prevents that swinging boom 32 from hindering insulating cover 11 closed, influences experimental cavity 14 and heaies up and lower the temperature.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A concrete freeze-thaw test equipment comprises a test box (1), and is characterized in that: experiment chamber (14) have been seted up on proof box (1) upper surface, sliding connection has rack (2) on experiment chamber (14) inboard surface, be provided with hoisting device (3) on proof box (1) lateral surface, hoisting device (3) include pneumatic cylinder (31) and swinging boom (32), pneumatic cylinder (31) vertical setting and pneumatic cylinder (31) cylinder body are fixed on proof box (1) lateral surface, swinging boom (32) are L shape structure, swinging boom (32) rotate to be connected on the up end of pneumatic cylinder (31) piston rod, sliding connection has pull rod (33) on swinging boom (32), mating holes (211) have been seted up on rack (2), pull rod (33) sliding connection is in mating holes (211).

2. A concrete freeze-thaw test apparatus according to claim 1, wherein: the test box is characterized in that a control console (13) is arranged on the test box (1), the control console (13) is arranged on the upper surface of the test box (1), a heat insulation cover (11) is arranged on the test cavity (14), and one side, close to the control console (13), of the heat insulation cover (11) is hinged to the upper surface of the test box (1).

3. A concrete freeze-thaw test apparatus according to claim 2, wherein: rack (2) include two carriage (21) and a plurality of sliding plate (22), respectively vertically seted up spout one (12) on two relative lateral walls in experiment chamber (14), the distance of two spout one (12) and control cabinet (13) equals, the vertical setting of carriage (21) is on experiment chamber (14) inner wall, be close to experiment chamber (14) inner wall on carriage (21) and be provided with slider (212) on the surface, slider (212) sliding connection is in spout one (12), sliding plate (22) level sets up and follows vertical direction sliding connection in proper order on two carriage (21).

4. A concrete freeze-thaw test apparatus according to claim 3, wherein: a plurality of second sliding grooves (213) are sequentially and horizontally formed in the surface, far away from the sliding block (212), of the sliding frame (21) along the vertical direction, two side edges of the sliding plate (22) are respectively connected into the second sliding grooves (213) in a sliding mode, and a plurality of test piece boxes (23) are arranged on the upper surface of the sliding plate (22).

5. A concrete freeze-thaw test apparatus according to claim 3, wherein: the matching hole (211) is horizontally arranged at the center of the upper end of the side surface of the sliding frame (21), and the length direction of the matching hole (211) is vertical to the side surface of the sliding plate (22).

6. A concrete freeze-thaw test apparatus according to claim 5, wherein: the rotating arm (32) comprises a horizontal portion (321) and a vertical portion (322), the horizontal portion (321) is horizontally arranged, the lower surface of the horizontal portion is rotatably connected to the upper end face of a piston rod of the hydraulic cylinder (31), the vertical portion (322) is vertically arranged, the upper end of the vertical portion (322) is connected to one end of the horizontal portion (321), the pull rod (33) is horizontally arranged and is connected to one end, far away from the horizontal portion (321), of the vertical portion (322) in a sliding mode, and the pull rod (33) is perpendicular to the side surface of the sliding frame (21).

7. The concrete freeze-thaw testing apparatus according to claim 6, wherein: and a circular truncated cone (331) is arranged at one end of the pull rod (33) far away from the sliding frame (21).

8. The concrete freeze-thaw testing apparatus according to claim 7, wherein: a spring (332) is sleeved on the pull rod (33), one end of the spring (332) is fixed on the circular truncated cone (331), and the other end of the spring (332) is fixed on the side surface, far away from the hydraulic cylinder (31), of the vertical portion (322).